express-cjs/lib/index.js

coffee-react / jade / stylus middleware for Single Page Application on Express4

// Generated by CoffeeScript 1.10.0
var Promise, browserify, express, expressCjs, fs, jade, koutoSwiss, path, prepareResponse, stylus;

Promise = require('bluebird');

express = require('express');

prepareResponse = require('prepare-response');

browserify = require('browserify-middleware');

jade = require('jade');

stylus = require('stylus');

koutoSwiss = require('kouto-swiss');

path = require('path');

fs = require('fs');

expressCjs = function(arg) {
  var browserifyMiddleware, bundleExternal, cjs, cssPromise, cwd, debug, html5Mode, htmlPromise, htmlResolver, jadeOptions, ref, transformers, useBrfs, useNgannotate, usePlainJadeify, useReactify;
  ref = arg != null ? arg : {}, cwd = ref.cwd, debug = ref.debug, bundleExternal = ref.bundleExternal, jadeOptions = ref.jadeOptions, useReactify = ref.useReactify, useNgannotate = ref.useNgannotate, usePlainJadeify = ref.usePlainJadeify, useBrfs = ref.useBrfs, html5Mode = ref.html5Mode;
  cjs = express.Router();
  if (cwd == null) {
    cwd = process.cwd();
  }
  if (debug == null) {
    debug = process.env.NODE_ENV !== 'production';
  }
  if (bundleExternal == null) {
    bundleExternal = true;
  }
  if (useReactify == null) {
    useReactify = true;
  }
  if (useNgannotate == null) {
    useNgannotate = true;
  }
  if (usePlainJadeify == null) {
    usePlainJadeify = true;
  }
  if (useBrfs == null) {
    useBrfs = true;
  }
  if (html5Mode == null) {
    html5Mode = false;
  }
  transformers = [];
  if (useReactify) {
    transformers.push('coffee-reactify');
  } else {
    transformers.push('coffeeify');
  }
  if (useNgannotate) {
    transformers.push([
      'browserify-ngannotate', {
        ext: '.coffee'
      }
    ]);
  }
  if (usePlainJadeify) {
    transformers.push('plain-jadeify');
  }
  if (useBrfs) {
    transformers.push('brfs');
  }
  browserify.settings('basedir', path.resolve(__dirname, '..'));
  browserify.settings('transform', transformers);
  browserifyMiddleware = browserify(cwd + path.sep + 'index.coffee', {
    extensions: ['.coffee', '.cjsx'],
    bundleExternal: bundleExternal
  });
  cjs.get('/index.js', browserifyMiddleware);
  cssPromise = null;
  cjs.get('/index.css', function(req, res, next) {
    if (debug) {
      cssPromise = null;
    }
    if (cssPromise == null) {
      cssPromise = new Promise(function(resolve, reject) {
        var styl, stylData;
        styl = cwd + path.sep + 'index.styl';
        stylData = fs.readFileSync(styl, 'utf8');
        return stylus(stylData).set('filename', styl).set('sourcemap', debug ? {
          inline: true
        } : false).set('compress', !debug).use(koutoSwiss())["import"]('kouto-swiss').render(function(error, css) {
          if (!error) {
            return resolve(prepareResponse(css, {
              'content-type': 'css'
            }));
          } else {
            return reject(error);
          }
        });
      });
    }
    return cssPromise.then(function(prepare) {
      return prepare.send(req, res, next);
    });
  });
  htmlPromise = null;
  htmlResolver = function(req, res, next) {
    if (debug) {
      htmlPromise = null;
    }
    if (htmlPromise == null) {
      htmlPromise = new Promise(function(resolve) {
        var filename, html;
        filename = cwd + path.sep + 'index.jade';
        if (jadeOptions == null) {
          jadeOptions = {};
        }
        if (jadeOptions.pretty == null) {
          jadeOptions.pretty = debug;
        }
        html = jade.renderFile(filename, jadeOptions);
        return resolve(prepareResponse(html, {
          'content-type': 'html'
        }));
      });
    }
    return htmlPromise.then(function(prepare) {
      return prepare.send(req, res, next);
    });
  };
  cjs.get('/', htmlResolver);
  if (html5Mode) {
    cjs.get('*', htmlResolver);
  }
  return cjs;
};

module.exports = expressCjs;